/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMHost.h
Returns a public variable given its name
[FRigVMExternalVariable](API\Plugins\RigVM\RigVMCore\FRigVMExternalVariable) GetPublicVariableByName ( const [FName](API\Runtime\Core\UObject\FName) & InVariableName ) const